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A global snapshot of the air pollution-related health impacts of transportation sector emissions in 2010 and 2015

Exhaust from vehicles is a major source of outdoor air pollution worldwide. This study links state-of-the-art vehicle emissions, air pollution, and epidemiological models to estimate the impacts of...
Published 2019.02.26: Publication

Status of policies for clean vehicles and fuels in select G20 countries

Realizing the immense opportunity to promote energy efficiency in their economies, G20 economies adopted an Energy Efficiency Action Plan that identified six focus areas for collaborative activity,...
Published 2017.08.15: Publication

Impacts of world class vehicle efficiency and emissions regulations in select G20 countries

In 2014, the G20 Energy Efficiency Action Plan prioritized the establishment of a Transport Task Group (TTG) to promote cooperation among participating G20 countries to develop domestic policies that...
Published 2017.01.25: Publication

A global strategy to introduce low-sulfur fuels and cleaner diesel vehicles

Diesel engines power the dominant share of goods movement, construction equipment, and public transport vehicles in the global economy. This report presents a global strategy to reduce fine...
Published 2016.11.28: Publication

Evolution of incentives to sustain the transition to a global electric vehicle fleet

This report assesses near-term electric vehicle market trends to inform on how governments might optimally evolve their electric vehicle incentive programs to sustain market growth. We analyze...
Published 2016.11.16: Publication

Principles for effective electric vehicle incentive design

Faced with declining air quality and their own climate goals, many governments around the world have sought to accelerate the market for electric vehicles. There are various tools used by the...
Published 2016.06.22: Publication

Review and evaluation of vehicle fuel efficiency labeling and consumer information programs

Vehicle Fuel Efficiency Labeling (VFEL) is used by numerous countries worldwide to improve the fuel efficiency of their transport fleets. The theory behind VFEL is that better-informed consumers are...
Published 2016.01.27: Publication

Hybrids break into the Japanese market (July 2015 update)

Japan's 2013 passenger vehicle fuel economy guide is out (Japanese only), and for those interested in these matters it provides much food for thought. The most striking finding is that the fuel...Japan's just-released 2013 data shows that fuel economy of new PVs there improved 7% in 2012–2013, from 21.1 to 22.5 km/L (10-15 mode). Fuel economy is up more than 80% since 1995, and averaged 6%...
Published 2015.07.28: Blog Post

Policies to reduce fuel consumption, air pollution, and carbon emissions from vehicles in G20 nations

The transport sector consumes more than half of global oil production, and releases nearly a quarter of all anthropogenic carbon dioxide emissions. Motor vehicles and engines contribute to ambient...
Published 2015.06.08: Publication

Japan light commercial vehicle fuel economy standards for 2022

In March, an advisory committee to Japan’s Ministry of Land, Infrastructure, Transport and Tourism (MLIT) and Ministry of Economy, Trade, and Industry (METI) finalized new fuel economy standards for...
Published 2015.04.28: Publication

A Rorschach test for transport geeks: Passenger vehicle fuel efficiency in Japan

The latest version of Japan’s fuel economy guide for passenger vehicles was posted last week (Japanese only). Released annually by the Ministry of Land, Infrastructure, Transport and Tourism (MLIT)...Is the fact that Japanese automakers stay 5–7 years ahead of regulatory targets evidence that they're geniuses, or that their regulators are unable to set realistic targets, or something in between?
Published 2015.04.03: Blog Post

Hybrids break through in the Japan auto market

Japan’s 2012 passenger vehicle fuel economy guide is out (Japanese only), and for those interested in these matters it provides much food for thought. The most striking finding is that the fuel...Overall, fuel economy has improved by more than 70% in Japan since 1995, and the rate of improvement has averaged 6% annually over the past five years. Much of that can be attributed to the rise of...
Published 2014.04.04: Blog Post

Is hydrogen transportation gaining momentum?

A recent spate of news in the US, EU, and Japan about commitments to expand hydrogen infrastructure and provide more funding for fuel cell vehicles (FCVs) research and development has renewed...The spate of news from the US, EU, and Japan on commitments to expand hydrogen infrastructure and fund fuel-cell vehicle R&D would argue "yes".
Published 2013.12.04: Blog Post

Policy measures to finance the transition to lower sulfur motor fuels

[中文版本见下] Provides an overview of international experiences related to financing motor fuel desulfurization by introducing fiscal and other policy measures from Japan, Hong Kong, the United Kingdom,...
Published 2013.06.17: Publication

Inertia classes in worldwide harmonized light vehicle test procedure (WLTP) development

The definition of vehicle weight used for testing procedures is an important decision when drafting the regulation on determining emission values under the WLTP. Currently, different inertia class...
Published 2011.05.18: Publication

Review and Comparative Analysis of Fiscal Policies

Governments worldwide are increasingly looking to fiscal policy to enhance and reinforce standards-based approaches to reducing vehicle emissions. The taxes, fees, rebates, and other instruments in...
Published 2011.02.24: Publication

Passenger Vehicle Greenhouse Gas and Fuel Economy Standards

Governments around the world are currently grappling with two distinct but interconnected issues—how to reduce emissions of climate-changing greenhouse gases (GHG) and how to reduce dependence on...
Published 2007.07.02: Publication